HTML HTML img IMG SRC 1 jpg WIDTH200
- Slides: 23
HTML 介绍一些基本HTML标记 <img> 标记 <IMG SRC=“ 1. jpg" WIDTH="200" HEIGHT="100" BORDER="10"> 属性:src ; width; height; hspace; vspace ; border; align; alt; lowsrc 动态网页设计(JSP) http: //www. swust. net. cn
HTML 介绍一些基本HTML标记 <INPUT TYPE="Text" NAME="User. ID"> <INPUT TYPE="Password" NAME="User. PWD"> <INPUT TYPE="Submit" VALUE="提交" NAME="B 1"> <INPUT TYPE="Reset" VALUE="重写" NAME="B 2"> TYPE参数值的变化区分辨别域的变化。 其他属性: value;align; size;maxlength checked 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script作用:使得网页交互性更强,更 生动灵活 <SCRIPT LANGUAGE="Java. Script"> Java. Script代码 …. </SCRIPT> 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script on. Click 单击 on. Change 改变 on. Focus 获得焦点 on. Select 选中 on. Blur 失去焦点 (text, textarea, select) on. Load 载入文件 on. Unload 卸载文件 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script HTML与Java. Script交互实例 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script HTML与Java. Script交互实例 部分源代码: 判断用户输入的数据是否合法: if (form 1. username. value == "") { alert("用户名不能为空,请输入用户名 !"); form 1. username. focus(); return false; } 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script HTML与Java. Script交互实例 部分源代码: 密码与确认密码必须一致 if (form 1. userpassword. value != form 1. reuserpassword. value) { alert("密码与确认密码不同"); form 1. userpassword. focus(); return false; } 动态网页设计(JSP) http: //www. swust. net. cn
Java. Script HTML与Java. Script交互实例 部分源代码: 判断E-mail输入是否合法: for (i=0; i<form 1. email. value. length; i++) if (form 1. email. value. char. At(i)=="@") break; if (i==form 1. email. value. length) { alert("非法EMail地址!"); form 1. email. focus(); return false; } 动态网页设计(JSP) http: //www. swust. net. cn
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